Answer:
composite
prime
composite
composite
composite
Step-by-step explanation:
prime numbers only have two factors
composite numbers have three or more
Answer:

Step-by-step explanation:
Given expression is,

First equalize the denominators of the fractions,

Now combine the fraction as a single fraction,

Since, we can not solve this fraction further, this will be simplified form of the given expression.
Answer:
15 students
Step-by-step explanation:
The fraction of students who will repeat the exam is:

=
simplified is:

Extract this fraction of 45:

Hope this helps
The solutions are x=5,-1<span />
Answer:
8.48
Step-by-step explanation:
4 x 2.12 = 8.48 AED
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